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32 cyber security engineer jobs found

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United States cyber security engineer Colorado
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Lockheed Martin
Jan 28, 2026
Cyber Security Engineer
Lockheed Martin Boulder, CO, USA
Description: The coolest jobs on this planet... or any other... are with Lockheed Martin Space. At the dawn of a new space age, Lockheed Martin Space is a pioneer, partner, innovator, and builder. Our amazing people are on a mission to make a difference in the world. Every single day, we use our unique skills and experiences to craft, design, and build solutions to some of the world's hardest engineering problems. Our culture inspires our employees to dream big; perform with excellence; and build incredible products. We provide the resources, the support, and the focus. You bring the passion and courage to envision limitless possibilities. Together, we'll build a better tomorrow. Are you ready to further your career in Cyber Security by working for one of the top companies in the world? This position is for a Cyber Security Engineer on the Next Generation GEO (NGG) program based in Boulder, but also supported in Longmont CO. The selected candidate will be part of a dynamic...
Lockheed Martin
Jan 20, 2026
Cyber Security Engineer
Lockheed Martin Littleton, CO, USA
Description: By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world’s most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide diverse career opportunities designed to propel development and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. At Lockheed Martin, we place an emphasis on empowering our employees by fostering innovation, integrity, and exemplifying the epitome of corporate responsibility. Your Mission is Ours. As the Cyber Security Engineer/ISSE, you will coordinate with multiple teams across the program in an Agile team environment. You will interface with Operations, Development, Deployment, and Systems Engineering teams, and will help to derive...
Lockheed Martin
Jan 20, 2026
Cyber Security Engineer
Lockheed Martin Littleton, CO, USA
Description: By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world’s most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide diverse career opportunities designed to propel development and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. At Lockheed Martin, we place an emphasis on empowering our employees by fostering innovation, integrity, and exemplifying the epitome of corporate responsibility. Your Mission is Ours. As the Cyber Security Engineer/ISSE, you will coordinate with multiple teams across the program in an Agile team environment. You will interface with Operations, Development, Deployment, and Systems Engineering teams, and will help to derive...
Lockheed Martin
Jan 20, 2026
Cyber Security Engineer
Lockheed Martin Littleton, CO, USA
Description: By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world’s most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide diverse career opportunities designed to propel development and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. At Lockheed Martin, we place an emphasis on empowering our employees by fostering innovation, integrity, and exemplifying the epitome of corporate responsibility. Your Mission is Ours. As the Cyber Security Engineer/ISSE, you will coordinate with multiple teams across the program in an Agile team environment. You will interface with Operations, Development, Deployment, and Systems Engineering teams, and will help to derive...
Lockheed Martin
Jan 08, 2026
Cyber Security Engineer Technical Lead
Lockheed Martin Littleton, CO, USA
Description: The coolest jobs on this planet... or any other... are with Lockheed Martin Space. At the dawn of a new space age, Lockheed Martin Space is a pioneer, partner, innovator, and builder. Our amazing people are on a mission to make a difference in the world. Every single day, we use our unique skills and experiences to craft, design, and build solutions to some of the world's hardest engineering problems. Our culture inspires our employees to dream big; perform with excellence; and build incredible products. We provide the resources, the support, and the focus. You bring the passion and courage to envision limitless possibilities. Together, we'll build a better tomorrow. Are you ready to further your career in Cyber Security by working for one of the top companies in the world? This new and emerging need is for a Security Operations Information System Security Manager (ISSM) on the SDA Transport Layer T1contract. The ideal candidate will work directly with the...
Lockheed Martin
Mar 11, 2026
Embedded Cyber Software Engineer
Lockheed Martin Denver, CO, USA
Description: You will be an Embedded Cyber Software Engineer for a research and development team which is responsible for investigating and exploiting the newest technological advances to resolve complex problems. What You Will Be Doing As an Embedded Cyber Software Engineer, you will be responsible for crafting innovative solutions to complex cyber software engineering problems, collaborating closely with customers throughout the development life-cycle, and contributing to a dynamic, fast-paced team environment. Your responsibilities will include: Researching and developing new software and hardware technologies with a cyber lens to resolve complex problems. Integrate security considerations throughout the software development lifecycle (threat modeling, hardening, code reviews, vulnerability assessments). Collaborating with customers throughout the development life-cycle to ensure innovative solutions meet their needs. Contributing to a team...
Lockheed Martin
Mar 10, 2026
Cyber Software Engineer
Lockheed Martin Louisville, CO, USA
Description: You will be a Cyber Software Engineer for a research and development team which is responsible for investigating and exploiting the newest technological advances to resolve complex problems. What You Will Be Doing As a Cyber Software Engineer you will combine deep systems expertise with modern security‑by‑design practices to build robust, cloud‑enabled, and hardware‑integrated solutions. You’ll work in an agile environment, partnering with cross‑functional teams and customers to deliver secure, high‑performance software from concept through production. Your responsibilities will include: Design, develop, and maintain secure software codebases—leveraging innovative approaches to tackle complex, mission‑critical challenges and break new ground where existing solutions fall short, delivering novel capabilities that advance our customer's strategic objectives. Incorporate security considerations throughout the software development lifecycle (threat...
LMI
Mar 08, 2026
Principal Analytics Engineer
LMI Colorado Springs, CO, USA
Overview LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed.  Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors—helping agencies navigate complexity and outpace change. Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and drive lasting value. Responsibilities LMI is seeking a Principal Systems Engineer who can blend expertise in physics‑based modeling with a strong grasp of networked data systems—both in the...
Lockheed Martin
Feb 27, 2026
Chief Engineer, NC3 Enterprise Systems
Lockheed Martin Littleton, CO, USA
Description: At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. Come join Lockheed Martin's Global Situational Awareness (GSA) & Global Command, Control & Comms (GC3) team. This group of diverse Engineers design, develop, and field the systems architecture and supporting hardware and software components and systems in support of the next generation of GC3 systems. As part of the GC3 portfolio in the Strategic Missiles and...
Lockheed Martin
Feb 25, 2026
Embedded Cyber Software Engineer Senior Staff
Lockheed Martin Highlands Ranch, CO, USA
Description: Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re re-imagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. Lockheed Martin Space is looking for an Embedded Software Engineer Senior Staff (Level 5)...
Lockheed Martin
Feb 25, 2026
Embedded Software Engineer Staff
Lockheed Martin Highlands Ranch, CO, USA
Description: Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re re-imagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. Lockheed Martin Space is looking for a Embedded Software Engineer Staff (Level 4) to join...
Lockheed Martin
Feb 19, 2026
MBSE Systems Engineer (Level 3)
Lockheed Martin Colorado Springs, CO, USA
Description: The coolest job on this planet….or any other….are with Lockheed Martin Space. By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide career opportunities designed to propel development and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a health, fulfilling life at and outside of work. At Lockheed Martin, we place an emphasis on empowering our employees by fostering innovation, integrity, and exemplifying the epitome of corporate responsibility. As a Model Based Systems Engineer , the successful candidate will lead and employ Model Based Systems Engineering approaches to developing Systems Engineering, and Cyber products using SysML...
General Dynamics Mission Systems, Inc
Feb 12, 2026
Senior Principal Software Systems Engineer
General Dynamics Mission Systems, Inc Boulder, CO, USA
Basic Qualifications Education Requirements: Requires a Bachelor’s degree in Systems Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 10+ years of job-related experience, or a Master's degree plus 8 years of job-related experience. Agile experience preferred.     Clearance Requirements : Department of Defense Top Secret security clearance is required at time of hire.  Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position ROLE AND POSITION OBJECTIVES: Developing mission-critical systems that help keep people safe is what we do. At General Dynamics Mission Systems, you’ll be part of the team that helps heroes make a true impact. The work we do is...
General Dynamics Mission Systems, Inc
Feb 12, 2026
Senior Advanced Software Systems Engineer
General Dynamics Mission Systems, Inc Boulder, CO, USA
Basic Qualifications Education Requirements : Requires a Bachelor’s degree in Systems Engineering, or a related Science, Engineering or Mathematics field. Also requires 8+ years of job-related experience, or a Master's degree plus 6 years of job-related experience. Agile experience preferred.   Clearance Requirements:   Department of Defense Top Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position ROLE AND POSITION OBJECTIVES: Developing mission-critical systems that help keep people safe is what we do. At General Dynamics Mission Systems, you’ll be part of the team that helps heroes make a true impact. The work we do is important....
LMI
Feb 12, 2026
Systems Engineer (Cyber) - Clearance Required
LMI Colorado Springs, CO, USA
Overview LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed. Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors—helping agencies navigate complexity and outpace change. Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and drive lasting value. Responsibilities LMI is seeking a Multidisciplinary Systems Engineer to support the Space Warfighting Analysis Center / Spectrum Warfare Program (SWAC / SWP) in...
Lockheed Martin
Feb 11, 2026
Network Engineer III (Top Secret Clearance)
Lockheed Martin Colorado Springs, CO, USA
Description: What We’re Doing At Lockheed Martin, our Command and Control, Battle Management and Communications (C2BMC) National Team (C2NT) is pioneering the development and integration of cutting-edge technologies to advance the Missile Defense System, safeguarding the United States and its allies. Our collaborative and agile organization operates in a fast-paced environment, driving innovation through tasks such as sensor/weapon integration, algorithm development, user interface development, automated testing, cyber security, enterprise/infrastructure services, and enhancing leading-edge missile defense technologies. The Work As a primary Network Development Engineer for the C2BMC program, you will plan, deploy, integrate, and test network upgrades across operational sites. Working within an agile scrum team, you’ll translate customer requirements and contractual obligations into actionable tasks, travel to remote locations (e.g., Schriever SFB, Alaska, Guam, Europe) to...
Lockheed Martin
Feb 05, 2026
Sustainment Engineer / Logistics Management Analyst
Lockheed Martin Littleton, CO, USA
Description: The coolest jobs on this planet… or any other… are with Lockheed Martin Space. At the dawn of a new space age, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing men and women are on a mission to make a difference in the world and every day we use our unique skills and experiences to create, design and build solutions to some of the worlds’ hardest engineering problems. Do you want to be part of a culture that inspires employees to envision the impossible, perform with excellence and build incredible products? We provide the resources, inspiration and focus and if you have the passion and courage to dream big, we want to build a better tomorrow with you. We are seeking an Sustainment Engineer / Logistics Management Analyst to perform a wide variety of tasks requiring Property and asset tracking, Inventory management, Maintaining calibration certs, Shipping and receiving of lab equipment and other duties as assigned. This position is for an...
Lockheed Martin
Jan 27, 2026
Manager - Software Engineering Lead
Lockheed Martin Littleton, CO, USA
Description: What We’re Doing: At Lockheed Martin Rotary and Mission Systems (RMS), we are driven by innovation and integrity. We believe that by applying the highest standards of business ethics and visionary thinking, everything is within our reach – and yours as a Lockheed Martin employee. Lockheed Martin values your skills, training, and education. We are a dynamic team on a recurring multi-year, critical program seeking a SW Engineering/SW Development Lead who likes to be challenged, solve problems, and lead a highly skilled software development team. Who We Are: As risks to our hardware, software, and supply chains continue to rise, our customers require advanced solutions to mitigate growing vulnerabilities and ensure our systems can operate in cyber contested environments. Strong resiliency-focused engineering is essential to protecting Rotary and Mission Systems (RMS) platform/weapon systems from increasingly sophisticated threats. The engineer will be part of a...
Lockheed Martin
Jan 27, 2026
Manager - Software Engineering Lead
Lockheed Martin Littleton, CO, USA
Description: What We’re Doing: At Lockheed Martin Rotary and Mission Systems (RMS), we are driven by innovation and integrity. We believe that by applying the highest standards of business ethics and visionary thinking, everything is within our reach – and yours as a Lockheed Martin employee. Lockheed Martin values your skills, training, and education. We are a dynamic team on a recurring multi-year, critical program seeking a SW Engineering/SW Development Lead who likes to be challenged, solve problems, and lead a highly skilled software development team. Who We Are: As risks to our hardware, software, and supply chains continue to rise, our customers require advanced solutions to mitigate growing vulnerabilities and ensure our systems can operate in cyber contested environments. Strong resiliency-focused engineering is essential to protecting Rotary and Mission Systems (RMS) platform/weapon systems from increasingly sophisticated threats. The engineer will be part of a...
Lockheed Martin
Jan 21, 2026
SE Interface Engineer - Secret Clearance
Lockheed Martin Colorado Springs, CO, USA
Description: What We’re Doing Our team, the Command and Control, Battle Management and Communications (C2BMC) team at Lockheed Martin, is dedicated to engineering, developing, and integrating new capabilities for the Missile Defense System that protects the United States and its allies. While we are part of a large organization, we operate within smaller, agile teams in a fast-paced, dynamic environment. Our responsibilities include Sensor/Weapon Integration, Algorithm Development, User Interface Development, Automated Testing, Cyber Security, and enhancing critical missile defense technologies. The Work The Interface Engineer will lead in authoring the development of ICDs and IDDs. This includes establishing new interfaces between external elements, including sensors, and other Command and Control Systems. The Interface Engineer will ensure the ICDs and IDDs created are to appropriate standards required of the program. Additionally, it is expected that the Interface Engineer...
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